TRADE_TYPE_BUY = 1
TRADE_TYPE_SELL = 2
TRADE_TYPE_WITHDRAW = 10
TRADE_TYPE_RECHARGE = 20

SUBJECT_TYPE_BUY_DEAL = 1  # 买入
SUBJECT_TYPE_SELL_DEAL = 2  # 卖出
SUBJECT_TYPE_THAW_FUNDS = 3  # 解冻

ORDER_STATUS_CANCEL = 100  # 订单取消
